Finding the Fourth Proportional to 19,161,361.07, 28,740,646.92 and 7,487,546.00
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Solution
The fourth proportional to 19,161,361.07, 28,740,646.92 and 7,487,546.00 is: 11,230,774.00
Step by Step Solution
- Step 1: Write the proportion equation
19,161,361.07 : 28,740,646.92 = 7,487,546.00 : x - Step 2: Convert to fraction form
19,161,361.07/28,740,646.92 = 7,487,546.00/x - Step 3: Cross multiply
19,161,361.07x = 28,740,646.92 × 7,487,546.00 - Step 4: Simplify right side
19,161,361.07x = 215,196,915,739,555.09 - Step 5: Solve for x
x = 215,196,915,739,555.09/19,161,361.07 - Step 6: Final answer
x = 11,230,774.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.